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0 <br /> EXPLANATION <br /> Groundwater monitoring well <br /> 41 Groundwater monitoring LOWER SACRAMENTO ROAD <br /> well (Deep) 4,500/240/<2+ <br /> A/B/C Total Petroleum Hydrocarbons Driveway Mw-2 Drneway <br /> (TPH) as Gasoline/Benzene/ F —— — — -� <br /> MTBE concentrations in ppb <br /> Mw-7♦ <br /> + MTBE by EPA Method 8260 { Dispenser <br /> 2,500/44/<2+ ( Islands I M1501<2+ <br /> W <br /> ( � Sampled on 5/14/02 r---__—� * <br /> Underground L—————J Z <br /> Storage F__——_ <50/<0L-----J _ _ _ — Ja <br /> Tanks �------ 1 AC Pawng Z <br /> L_----J C <br /> *MW- <br /> 240/6 4/8+ o <br /> v <br /> <50/<0 50/<2+ 0 <br /> MW-6 <br /> MW-6D <br /> (57/<0 50/<2+) Station <br /> Budding # <br /> d <br /> v <br /> I M W-5D M W-5 <br /> -?� 320/2 5/<2+ <50/<0 50/<2 <br /> 0 40 <br /> M W-4**M W-4D <br /> Scale In Feet <501<0 50/<2+ 9,400/2,400/6+ <br /> Source Ff ure modified from drawinq provided by Morrow Surve in dated 4-41 <br /> CONCENTRATION MAP FIGURE <br /> GE T Tt ER ' RYAJV INC. Chevron Service Station #9-3232 <br /> 6747 Sierra Ct, Suite J 8660 Lower Sacramento Road 2 <br /> Oubkn, CA 94566 (925) 551-7555 Stockton, California <br /> PRWECT NUMBER REVIEWED BY DATE REVISED DATE <br /> 386463 April 24 and 25 2002 <br /> FILE NAME P EWRO CHEVRON 9-3232 QO2-9-3232 DWG I layout Tab Coni <br />